USGS Water-Year Summary for Site 06856600

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

06856600 REPUBLICAN RIVER AT CLAY CENTER, KS

LOCATION - Lat 39°21'20", long 97°07'38" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 SW 1/4 sec.17, T.0 8., R.3 E., Clay County, KS, Hydrologic Unit 10250017, on right bank at downstream side of bridge on Kansas Highway 15, 1.0 mi south of Clay Center, 4.0 mi downstream from Five Creeks, and at mile 38.2.

DRAINAGE AREA - 24,542 mi² of which 7,500 mi² probably is noncontributing.

REVISIONS HISTORY - WSP 806: Drainage area. WSP 1006: 1941. WSP 1310: 1922. WSP 1340: 1929, 1933-34.

SURFACE-WATER RECORDS

PERIOD OF RECORD - June 1917 to current year. Monthly discharge only for some periods, published in WSP 1310. Prior to February 1934, published as "at Wakefield." Gage-height records collected in this vicinity August 1904 to October 1917 are contained in reports of U.S. Weather Bureau.

GAGE - Water-stage recorder. Datum of gage is 1,159.63 ft above NAVD88. See WSP 1919 for history of changes prior to Sept. 23, 1949. Sept. 23, 1949, to July 21, 1987, at site 200 ft downstream at same datum.

REMARKS - Natural flow affected by irrigation development upstream from station and by reservoirs in Colorado, Nebraska, and Kansas. Flow moderately regulated since 1952 by Harlan County Lake (station 06849000). Satellite telemeter at station.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known since at least 1895, 26.2 ft, June 21, 1915, site and datum then in use, from information by U.S. Weather Bureau. Flood of May 29, 1903, reached a stage of 24.8 ft, site and datum then in use, from information by U.S. Weather Bureau.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (EXO): July 2018 to current year.

pH (EXO): July 2018 to current year.

WATER TEMPERATURE (EXO): July 2018 to current year.

DISSOLVED OXYGEN (EXO): July 2018 to current year.

TURBIDITY (EXO): July 2018 to current year.

EXTREMES FOR PERIOD OF DAILY RECORD -

SPECIFIC CONDUCTANCE (EXO): Maximum, 1,310 microsiemens/cm, Mar. 7, 2019; minimum, 145 microsiemens/cm, Sep. 5, 2018.

pH (EXO): Maximum, 9.3 standard units, June 30, 2022; minimum, 7.2 standard units, Sep. 5, 2018.

WATER TEMPERATURE (EXO): Maximum, 34.8 °C, July 30, 2021; minimum, -1.43 °C, Dec. 17, 2022.

DISSOLVED OXYGEN (EXO): Maximum, 18.4 mg/L, Apr. 30, 2020; minimum, 3.3 mg/L, Sep. 3, 2018.

TURBIDITY (EXO): Maximum, 1,080 FNU, Mar. 14, 2019; minimum, 1.3 FNU, Oct. 9, 2022.